/*
 * Copyright 2023, OpenRemote Inc.
 *
 * See the CONTRIBUTORS.txt file in the distribution for a
 * full listing of individual contributors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.openremote.model.datapoint;

import java.io.Serializable;
import java.util.Date;
import java.util.Objects;

public class DatapointID implements Serializable {

    protected String assetId;
    protected String attributeName;
    protected Date timestamp;

    public DatapointID() {
    }

    public DatapointID(String assetId, String attributeName, Date timestamp) {
        this.assetId = assetId;
        this.attributeName = attributeName;
        this.timestamp = timestamp;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        DatapointID that = (DatapointID) o;
        return assetId.equals(that.assetId) && attributeName.equals(that.attributeName) && timestamp.equals(that.timestamp);
    }

    @Override
    public int hashCode() {
        return Objects.hash(assetId, attributeName, timestamp);
    }
}
